 |
 |
Stephen J. Gowdy wrote: > 2. Tier-2 Hardware > > One storage machine has the OS. Should get two of the machines up > and running, allow Len to do some testing with the third > machine. There is some question about how many parity disks we > want, one or two. There is some discussion at HEPiX about how long > it takes to reconstruct an array after loosing a disk, we would be > at risk during the reconstruction. Len will try to measure how long > it takes and try to get information from other labs. With double > parity it is more reliable but there is a write-time and space > parity. An element of the discussion would be the type of data on > it, if it was really just a cache of data stored elsewhere or if it > was the primary storage. Even if we believe it is just a cache an > worry would be how long it would take to reimport all the data > again from BNL (probably around a week). Could setup different In the above paragraph, "Len" should be "Lance" (Nakata) two times.